Home / 1,666,868.40-2,498,727.84-1,514,128.32

Finding the Fourth Proportional to 1,666,868.40, 2,498,727.84 and 1,514,128.32

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Solution

The fourth proportional to 1,666,868.40, 2,498,727.84 and 1,514,128.32 is: 2,269,762.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,868.40 : 2,498,727.84 = 1,514,128.32 : x
  2. Step 2: Convert to fraction form
    1,666,868.40/2,498,727.84 = 1,514,128.32/x
  3. Step 3: Cross multiply
    1,666,868.40x = 2,498,727.84 × 1,514,128.32
  4. Step 4: Simplify right side
    1,666,868.40x = 3,783,394,586,516.43
  5. Step 5: Solve for x
    x = 3,783,394,586,516.43/1,666,868.40
  6. Step 6: Final answer
    x = 2,269,762.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.